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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A242395 Number of equilateral triangles (sides length = 1) that intersect the circumference of a circle of radius n centered at (1/2,0).

Table of values

n a(n)
1 14
2 26
3 38
4 58
5 70
6 82
7 98
8 110
9 122
10 142
11 154
12 166
13 182
14 194
15 206
16 218
17 238
18 250
19 262
20 278
21 290
22 302
23 322
24 334
25 346
26 362
27 374
28 386
29 398
30 418
31 430
32 442
33 458
34 470
35 482
36 502
37 514
38 526
39 542
40 554
41 566
42 578
43 598
44 610
45 622
46 638
47 650
48 662
49 682
50 694
51 706
52 722
53 734
54 746
55 766
56 778
57 790

List of values

[14, 26, 38, 58, 70, 82, 98, 110, 122, 142, 154, 166, 182, 194, 206, 218, 238, 250, 262, 278, 290, 302, 322, 334, 346, 362, 374, 386, 398, 418, 430, 442, 458, 470, 482, 502, 514, 526, 542, 554, 566, 578, 598, 610, 622, 638, 650, 662, 682, 694, 706, 722, 734, 746, 766, 778, 790]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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